Diffuser for a hair dryer



FIG. 1 is a perspective view of a diffuser for a hair dryer in accordance with the new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view and also a bottom plan view thereof; and,

FIG. 7 is a perspective view illustrating an example of use in which the diffuser is attached to a hair dryer. The hair dryer shown in broken lines is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a diffuser for a hair dryer, as shown and described. 